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case /data -based (4 Marks)

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Question 14 Marks
A teacher asked two students, Aarav and Neha to list the materials needed for a craft project.
→ Aarav wrote: 3x + 2y, where x represents coloured paper sheets and v represents glue sticks.
→ Neha wrote: 5x – y, with the same meanings for x and y.
Based on the above information, answer the following question:
Q.1. To avoid duplication, the teacher decides to combine the two lists. What is the combined list of materials in algebraic expression form?
Q.2. If Neha decides to remove her list from the total, what will the expression be?
Q.3. If 1 sheet of coloured paper costs ₹ 2 and 1 glue stick costs ₹ 5, what is the cost of the combined materials list?
Answer
(1) 8x + y ,
(2) 3x + 2y ,
(3) ₹21 .
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case /data -based (4 Marks) - MATHS STD 7 Questions - Vidyadip